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NANOCOMPOSITES TO ENHANCE ZT IN THERMOELECTRICS

Published online by Cambridge University Press:  01 February 2011

Mildred Dresselhaus ,
Gang Chen ,
Zhifeng Ren ,
Jean-Pierre Fleurial ,
Pawan Gogna ,
Ming Y Tang ,
Daryoosh Vashaee ,
Hohyun Lee ,
Xiaowei Wang  and
Giri Joshi
...Show all authors
Mildred Dresselhaus
Affiliation:
[email protected], MIT, Physics and Electrical engineering, 77 Massachusetts avenue room 13-3005, Cambridge, MA, 02139, United States
Gang Chen
Affiliation:
[email protected], Massachusetts Institute of Technology, Mechanical Engineering, Cambridge, MA, 02139, United States
Zhifeng Ren
Affiliation:
[email protected], Boston College, Physics, Chestnut Hill, MA, 02467, United States
Jean-Pierre Fleurial
Affiliation:
[email protected], Jet Propulsion Laboratory, Pasadena, CA, 91109, United States
Pawan Gogna
Affiliation:
[email protected], Jet Propulsion Laboratory, Pasadena, CA, 91109, United States
Ming Y Tang
Affiliation:
[email protected], Massachusetts Institute of Technology, Electrical Engineering and Computer Science, Cambridge, MA, 02139, United States
Daryoosh Vashaee
Affiliation:
[email protected], Massachusetts Institute of Technology, Mechanical Engineering, Cambridge, MA, 02139, United States
Hohyun Lee
Affiliation:
[email protected], Massachusetts Institute of Technology, Mechanical Engineering, Cambridge, MA, 02139, United States
Xiaowei Wang
Affiliation:
[email protected], Boston College, Physics, Chestnut Hill, MA, 02467, United States
Giri Joshi
Affiliation:
[email protected], Boston College, Physics, Chestnut Hill, MA, 02467, United States
Gaohua Zhu
Affiliation:
[email protected], Boston College, Physics, Chestnut Hill, MA, 02467, United States
Dezhi Wang
Affiliation:
[email protected], Boston College, Physics, Chestnut Hill, MA, 02467, United States
Richard Blair
Affiliation:
[email protected], University of Central Florida, Chemistry, Orlando, FL, 32816, United States
Sabah Bux
Affiliation:
[email protected], University of California, Los Angeles, Chemistry & Biochemistry, Los Angeles, CA, 90095, United States
Richard Kaner
Affiliation:
[email protected], University of California, Los Angeles, Chemistry & Biochemistry, Los Angeles, CA, 90095, United States

Abstract

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The concept of using “self-assembled” and “force-engineered” nanostructures to enhance the thermoelectric figure of merit relative to bulk homogeneous and composite materials is presented in general terms. Specific application is made to the Si-Ge system for use in power generation at high temperature. The scientific advantages of the nanocomposite approach for the simultaneous increase in the power factor and decrease of the thermal conductivity are emphasized along with the practical advantages of having bulk samples for property measurements and a straightforward path to scale-up materials synthesis and integration of nanostructured materials into thermoelectric cooling and power generation devices.

Keywords

thermoelectricitycompositenanostructure
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 1044: Symposium U – Thermoelectric Power Generation , 2007 , 1044-U02-04
Copyright
Copyright © Materials Research Society 2008

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